Antenna



FIG. 1 is a front perspective view of a first embodiment of an antenna of the new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a right-side view thereof;

FIG. 5 is a left-side view thereof;

FIG. 6 is a top view thereof;

FIG. 7 is a bottom view thereof;

FIG. 8 is a front perspective view of a second embodiment of an antenna of the new design;

FIG. 9 is a front view thereof;

FIG. 10 is a rear view thereof;

FIG. 11 is a right-side view thereof;

FIG. 12 is a left-side view thereof;

FIG. 13 is a top view thereof; and,

FIG. 14 is a bottom view thereof.

The broken lines in the drawings are for illustrative purposes only and form no part of the claimed design. 

CLAIM The ornamental design for an antenna, as shown and described. 